Also in Baghdad, the U.S. Army said a U.S. soldier died on December 18 from wounds sustained from enemy action.

(Reuters, AP, AFP)

Sectarian Iraq

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SUNNI, SHI'A: Iraq is riven along sectarian lines, faults that frequently produce violent clashes and are a constant source of tension. Sectarian concerns drive much of Iraqi politics and are the main threat to the country's fragile security environment.

THE COMPLETE PICTURE: Click on the image to view RFE/RL's complete coverage of events in Iraq and that country's ongoing transition.